258406680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{307627}}^1$

素因数の和:307648

約数の個数: 64

約数和(自身を含む): 885968640

約数和(自身を除く): 627561960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 307627, 615254, 922881, 1230508, 1538135, 1845762, 2153389, 2461016, 3076270, 3691524, 4306778, 4614405, 6152540, 6460167, 7383048, 8613556, 9228810, 10766945, 12305080, 12920334, 17227112, 18457620, 21533890, 25840668, 32300835, 36915240, 43067780, 51681336, 64601670, 86135560, 129203340, 258406680]

約数ペア:

[(1, 258406680), (2, 129203340), (3, 86135560), (4, 64601670), (5, 51681336), (6, 43067780), (7, 36915240), (8, 32300835), (10, 25840668), (12, 21533890), (14, 18457620), (15, 17227112), (20, 12920334), (21, 12305080), (24, 10766945), (28, 9228810), (30, 8613556), (35, 7383048), (40, 6460167), (42, 6152540), (56, 4614405), (60, 4306778), (70, 3691524), (84, 3076270), (105, 2461016), (120, 2153389), (140, 1845762), (168, 1538135), (210, 1230508), (280, 922881), (420, 615254), (840, 307627)]